---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5950 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 676 8412 4 6900 14970 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:05:48:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84529sec preferred_lft 84529sec inet6 fe80::f816:3eff:fe05:4839/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:f7:33:15:4e:86 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5950) 03/19/26 _x86_64_ (4 CPU) 08:17:46 LINUX RESTART (4 CPU) 08:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:12 47.46 14.53 29.32 3.61 654.71 5026.68 11044.47 08:40:12 32.73 0.02 29.32 3.38 0.29 2630.69 32461.84 Average: 40.09 7.27 29.32 3.50 327.50 3828.69 21753.15 08:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:12 8693616 12575868 3379776 20.64 141248 3848568 3403152 19.53 872904 6397768 2780 08:40:12 8603228 12952708 2999516 18.32 168688 4253756 2948160 16.92 1004724 6311048 36536 Average: 8648422 12764288 3189646 19.48 154968 4051162 3175656 18.23 938814 6354408 19658 08:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:12 lo 1489.02 1489.02 1411.92 1411.92 0.00 0.00 0.00 0.00 08:30:12 ens3 84.44 60.29 687.77 11.63 0.00 0.00 0.00 0.00 08:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:12 lo 1527.98 1527.98 1455.93 1455.93 0.00 0.00 0.00 0.00 08:40:12 ens3 25.78 21.96 45.24 6.83 0.00 0.00 0.00 0.00 08:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1508.50 1508.50 1433.92 1433.92 0.00 0.00 0.00 0.00 Average: ens3 55.11 41.12 366.51 9.23 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5950) 03/19/26 _x86_64_ (4 CPU) 08:17:46 LINUX RESTART (4 CPU) 08:20:12 CPU %user %nice %system %iowait %steal %idle 08:30:12 all 70.17 0.07 2.62 0.17 0.09 26.87 08:30:12 0 70.98 0.01 2.51 0.29 0.09 26.11 08:30:12 1 70.10 0.00 2.82 0.10 0.09 26.89 08:30:12 2 70.19 0.05 2.37 0.12 0.09 27.19 08:30:12 3 69.42 0.23 2.79 0.19 0.09 27.27 08:40:12 all 65.69 0.00 2.56 0.14 0.10 31.52 08:40:12 0 65.19 0.00 2.22 0.11 0.10 32.38 08:40:12 1 66.69 0.00 2.77 0.18 0.09 30.28 08:40:12 2 64.39 0.00 2.88 0.11 0.10 32.53 08:40:12 3 66.48 0.00 2.36 0.14 0.10 30.91 Average: all 67.93 0.04 2.59 0.16 0.09 29.19 Average: 0 68.09 0.01 2.37 0.20 0.09 29.24 Average: 1 68.39 0.00 2.79 0.14 0.09 28.58 Average: 2 67.29 0.02 2.62 0.12 0.09 29.86 Average: 3 67.95 0.12 2.58 0.16 0.09 29.09